Easy to use
Designed for cleaning heat transfer systems while gentle on employees, equipment, and the environment, Hammerhead Marine Descaler may be used on board vessels or in the shop to dissolve rock-like scale including barnacles, zebra mussels, calcium, lime and all types of mineral deposits from marine heat transfer equipment, engine water jackets and ancillary equipment.

This is a new product for Environmental Marine.  It is a food base without all the smell and is completely safe for metal, plastic and rubber.